Home / 102,890.96-154,297.20-36,318.68

Finding the Fourth Proportional to 102,890.96, 154,297.20 and 36,318.68

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Solution

The fourth proportional to 102,890.96, 154,297.20 and 36,318.68 is: 54,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,890.96 : 154,297.20 = 36,318.68 : x
  2. Step 2: Convert to fraction form
    102,890.96/154,297.20 = 36,318.68/x
  3. Step 3: Cross multiply
    102,890.96x = 154,297.20 × 36,318.68
  4. Step 4: Simplify right side
    102,890.96x = 5,603,870,631.70
  5. Step 5: Solve for x
    x = 5,603,870,631.70/102,890.96
  6. Step 6: Final answer
    x = 54,464.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.